| An overall consistent increase of global aridity in 1970–2018 |
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| 作者姓名： | LUO Dengnan HU Zhongmin DAI Licong HOU Guolong DI Kai LIANG Minqi CAO Ruochen ZENG Xiang |
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| 作者单位： | 1. School of Geography,South China Normal University;2. Key Laboratory of Agro-Forestry Environmental Processes and Ecological Regulation of Hainan Province,Hainan University;3. Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai);4. International Institute for Earth System Sciences,Nanjing University |
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| 基金项目： | National Natural Science Foundation of China,No.31922053； |
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| 摘 要： | Climate change is expected to introduce more water demand in the face of diminishing water supplies, intensifying the degree of aridity observed in terrestrial ecosystems in the 21st century. This study investigated spatiotemporal variability within global aridity index(AI) values from 1970–2018. The results revealed an overall drying trend(0.0016 yr-1, p<0.01), with humid and semi-humid regions experiencing more significant drying than other regions, including those classified as arid or sem...
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